{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["engineering feature", "process characterization", "machanical property", "machine or equipment", "enabling technology", "manufacturing standard"], "input": "Here the main challenge is finding stable process settings that allow for both the production of permeable and solid structures ."}
{"engineering feature": ["permeable and solid structures"], "process characterization": [], "machanical property": [], "machine or equipment": [], "enabling technology": [], "manufacturing standard": []}